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Published on: March 11, 2017
Variability in pharmacy interpretations of physician prescriptions
Michael S Wolf1, Paul Shekelle, Niteesh K Choudhry
1, Center for Communication in Healthcare, Institute for Healthcare Studies and Division of General Internal Medicine, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, USA. mswolf@northwestern.edu
Pharmacy interpretation of prescription drug instructions varies significantly, impacting medication safety. Clearer pharmacy labeling is essential for patients to safely use their medications as prescribed.
Area of Science:
- Pharmacy Practice
- Health Literacy
- Medication Safety
Background:
- Clarity of prescription drug instructions is a critical health literacy and medication safety issue.
- Inconsistent information on medication labels can lead to patient confusion and potential harm.
Purpose of the Study:
- To evaluate the extent of variation in how pharmacies interpret and transcribe physician prescriptions onto medication labels.
- To identify common discrepancies in prescription information presented to patients.
Main Methods:
- Identical prescriptions for four common medications were dispensed across various pharmacy types (chain, grocery, independent) in multiple cities.
- Prescription label components, including dose, frequency, timing, indication, and auxiliary instructions, were systematically coded and analyzed.
Main Results:
- Significant omissions and inaccuracies were found in pharmacy-generated medication instructions.
- Dose frequency was missing on 6% of labels, and explicit timing instructions were present on only 2%.
- Indications were transcribed onto labels for only 38% of prescriptions, and critical auxiliary instructions (e.g., alendronate administration) were inconsistently transcribed (50%).
Conclusions:
- Substantial variability exists in pharmacy transcription of prescription details, compromising medication safety.
- Enhanced efforts are required to ensure consistent and clear patient communication regarding medication use.
- Improving pharmacy labeling practices is crucial for supporting safe and effective medication management.
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